re PR fortran/68009 (prototype for gfortran_runtime_error with inline matmul)

2019-03-18  Thomas Koenig  <tkoeng@gcc.gnu.org>

	PR fortran/68009
	* iresolve.c: Include trans.h.
	(gfc_resolve_fe_runtine_error): Set backend_decl on
	resolved_sym.

From-SVN: r269769

gcc/fortran/ChangeLog

+2019-03-18  Thomas Koenig  <tkoeng@gcc.gnu.org>
+
+	PR fortran/68009
+	* iresolve.c: Include trans.h.
+	(gfc_resolve_fe_runtine_error): Set backend_decl on
+	resolved_sym.
+
 2019-03-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 
 	PR fortran/88008

gcc/fortran/iresolve.c

@@ -35,6 +35,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "intrinsic.h"
 #include "constructor.h"
 #include "arith.h"
+#include "trans.h"
 
 /* Given printf-like arguments, return a stable version of the result string.
 
@@ -2495,6 +2496,10 @@ gfc_resolve_fe_runtime_error (gfc_code *c)
     a->name = "%VAL";
 
   c->resolved_sym = gfc_get_intrinsic_sub_symbol (name);
+  /* We set the backend_decl here because runtime_error is a
+     variadic function and we would use the wrong calling
+     convention otherwise.  */
+  c->resolved_sym->backend_decl = gfor_fndecl_runtime_error;
 }
 
 void